3. Danny Trejo Guest Stars on NCIS: Los AngelesSam and Callen take a trip down memory lane searching for the assassin they encountered on their first case together, Tuhon. Check out Danny Trejo's masterful job as the dangerous, yet insightful killer.

4. Barney Suits UpThis Monday, Barney will choose a suit for the wedding! In anticipation of the most important suit selection to date, check out more of his most legendary looks here!